Where does “czyściuchny” come from?

czyściuchny (Polish) comes from Polish -uchny, from Polish -uch, from Proto-Slavic -uxъ.

Ancestry of “czyściuchny”, step by step

StepLanguageWordMeaning
1Polish-uchnyforms masculine adjectives, either augmentative or diminutive in nature
2Polish-uchUsed with a verb to form a masculine noun that is...
3Proto-Slavic-uxъ—
Every word from Proto-Slavic -uxъ →Every word from Polish -uch →Every word from Polish -uchny →